#!/usr/bin/make -f

# resolve DEB_VERSION_UPSTREAM
include /usr/share/dpkg/pkg-info.mk

export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
export DEB_CXXFLAGS_MAINT_APPEND  = -Wall -pedantic

# trust upstream optimization level unless explicitly disabled
ifeq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
export DEB_CFLAGS_MAINT_STRIP=-O2
export DEB_CXXFLAGS_MAINT_STRIP=-O2
endif

# generate documentation unless nodoc requested
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
DOCS = README.html README.txt
CHANGELOGS = CHANGELOG.html CHANGELOG.txt
endif

# target directory for generated man page and shell completion scripts
export BUILD_SCRIPT_DIR = doc

# resolve all direct entries in first "package..." section in TODO
VENDORLIBS = $(shell perl -nE \
 '/^(?:\s{2}[*]\s*(?:(package)|(\S+))|\s{4}[*]\s*(\S+))/ or next; \
 $$i++ if $$1; exit if $$i > 1 or $$2; say $$3 if $$3 and $$i;' \
 debian/TODO)

%:
	dh $@

%.html: %.md
	cmark-gfm $< > $@

%.txt: %.md
	cmark-gfm --to plaintext $< > $@

execute_after_dh_auto_build: $(DOCS) $(CHANGELOGS)

execute_after_dh_auto_install:
	debian/cyme/usr/bin/cyme --gen

override_dh_installdocs:
	dh_installdocs --all -- $(DOCS)

override_dh_installchangelogs:
	dh_installchangelogs -- $(CHANGELOGS)

# custom target unused during official build
get-vendorlibs:
# preserve and use pristine Cargo.lock
	[ -f Cargo.lock.orig ] || cp Cargo.lock Cargo.lock.orig
	cp -f Cargo.lock.orig Cargo.lock

# modernize crates
	cargo update

# preserve needed crates
	cargo vendor --versioned-dirs debian/vendorlibs~
	rm -rf debian/vendorlibs
	mkdir debian/vendorlibs
	cd debian/vendorlibs~ && mv --target-directory=../vendorlibs $(VENDORLIBS)

# cleanup
	rm -rf debian/vendorlibs~
	[ ! -f Cargo.lock.orig ] || mv -f Cargo.lock.orig Cargo.lock